CITY · NY

What county is Syracuse, NY in?

Syracuse, NY is mostly in Onondaga County. County FIPS code 36067, population 467,873 (2023 estimate).

County details

City: Syracuse, New York
Primary county: Onondaga County
FIPS code: 36067
County population: 467,873

Some cities extend into more than one county. Syracuse is placed in the county that contains its center. For a specific address, use the address lookup.

Questions

What county is Syracuse in?

Syracuse, NY is mostly in Onondaga County.

What is the county seat of Onondaga County?

County seats are not part of the data on this site. Check the county’s official website.

Can a city be in two counties?

Yes. Large cities such as Houston and Atlanta cross county lines. The address lookup shows the exact county for any street address.

Sources: U.S. Census Bureau geographic reference files; FCC Area API; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.